
11
5. SYSTEM BLOCK DIAGRAM
1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
CHANNEL
2(INP
U
T)
PH
O
N
O
LINE
R
L
1
2
3
SW3
A
4
5
6
P
SW3
B
7
8
9
P
SW3
C
10
11
12
P
SW3
D
GAIN
GAIN
3-BAND
EQ
LO
MID
HI
3-BAND
EQ
LO
MID
HI
3c
5e
1a
4d
2b
MIC
INP
U
T
MI
X
TA
P
E
(M
AIN
O
UT)
AM
P
(M
AIN
O
UT)
R
L
R
L
GAIN
GAIN
3c
5e
1a
4d
2b
P
H
ONES
OUT
PFL
LEV
E
L
LEVEL
METER
PH
O
N
E
/LINE
CHANNEL
1(INP
U
T)
PH
O
N
O
LINE
R
L
1
2
3
SW3
A
4
5
6
P
SW3
B
7
8
9
P
SW3
C
10
11
12
P
SW3
D
GAIN
GAIN
3-BAND
EQ
LO
MID
HI
3-BAND
EQ
LO
MID
HI
GAIN
SP
EA
KER
OU
T
RED
BLACK
RED
BLACK
D
300W
POWER
AMP
D
300W
POWER
AMP